Molded case DC circuit breaker is suitable for DC power grid circuits with rated voltage DC250V-DC1500V, rated current 10A-1250A, photovoltaic power generation system, inverter, photovoltaic combiner box, etc. It has the functions of overload long-time delay protection and short-circuit instantaneous protection. It is used to distribute electric energy and protect lines and power supply equipment from overload, short circuit and other faults.

• The operating mechanism has quick closing and quick breaking functions.
• The installation of dynamic and static contacts in the contact arc extinguishing system has the principle of parallel conductors. High-resistant Components made of arc material are conducive to fast arc quenching.
• Compact structure, small size.
• Thermal magnetic, leakage, DC, intelligent unified dimensions.
• Independent installation unit for accessories, users only need to open the accessory cover to install and replace accessories.
• Zero flashover or short flashover, safe and reliable operation.